closing vs incompletion

closing

noun
  • The act by which something is closed. 

  • In morphology, the erosion of the dilation of a set. 

  • The final procedure in a house sale, when documents are signed and recorded. 

  • The end or conclusion of something. 

adj
  • Pertaining to the finish or ending of a series of events; occurring at the end or after all others. 

incompletion

noun
  • Something which is not completed. 

  • A forward pass which is not caught inbounds by the intended receiver. 

  • The state or quality of not being complete. 

How often have the words closing and incompletion occurred in a corpus of books? (source: Google Ngram Viewer )